RELATED PARTY TRANSACTIONS (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Changes in the total amounts of outstanding loans, advances under lines of credit as well as repayments
Repayments	$ (118,700,000)
Directors, executive officers and their related parties
Related Party Transactions
Subordinated notes	10,000,000	10,000,000
Interest paid on subordinated notes	0	0	685,000
Interest accrued and unpaid on loans to directors	2,100,000	1,200,000
Directors, executive officers and their related parties | Bank
Changes in the total amounts of outstanding loans, advances under lines of credit as well as repayments
Outstanding at beginning of the year	87,442,000	92,217,000
New loans and advances	64,509,000	68,288,000
Repayments	(118,655,000)	(72,365,000)
Other		(698,000)
Outstanding at end of period	33,296,000	87,442,000	92,217,000
Related Party Transactions
Amount of loan to directors, executive officers and their related parties which are not performing in accordance with the terms of the loan agreements	196,000
Amount of loan outstanding under a commercial line of credit	33,296,000	87,442,000	92,217,000
Deposits from directors, executive officers and their related parties	66,700,000	146,800,000
Interest paid	139,000	446,000	862,000
Various companies of related parties
Related Party Transactions
Payments for services to related party	1,600,000	1,800,000	1,100,000
Related Party
Related Party Transactions
Lease payments	9,000	9,000	9,000
Other real estate property sold	202,000
Gain recognized on sale of other real estate property	41,000
Director
Changes in the total amounts of outstanding loans, advances under lines of credit as well as repayments
Outstanding at beginning of the year	7,400,000
Outstanding at end of period	8,000,000	7,400,000
Related Party Transactions
Amount of loan outstanding under a commercial line of credit	8,000,000	7,400,000
Amount of participation interest sold	5,200,000	3,000,000
Amount of participation interest outstanding	$ 3,200,000
Annual servicing fee received (as a percent)	0.25%